Annotation of prex-old/dev/i386/pc/kmc.h, Revision 1.1.1.1
1.1 nbrk 1: /*
2: * Copyright (c) 2005, Kohsuke Ohtani
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. Neither the name of the author nor the names of any co-contributors
14: * may be used to endorse or promote products derived from this software
15: * without specific prior written permission.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: */
29:
30: #ifndef _KMC_H
31: #define _KMC_H
32: /*
33: * i8042 Keyboard Mouse Controller definition
34: */
35:
36: /* I/O ports */
37: #define KMC_DATA 0x60
38: #define KMC_PORTB 0x61
39: #define KMC_CMD 0x64
40: #define KMC_STS 0x64
41:
42: /* Status */
43: #define STS_PERR 0x80 /* Parity error */
44: #define STS_TMO 0x40 /* Timeout */
45: #define STS_AUXOBF 0x20 /* Mouse OBF */
46: #define STS_INH 0x10 /* 0: inhibit 1: no-inhibit */
47: #define STS_SYS 0x04 /* 0: power up 1:Init comp */
48: #define STS_IBF 0x02 /* Input (to kbd) buffer full */
49: #define STS_OBF 0x01 /* Output (from kbd) buffer full */
50:
51: /* Command */
52: #define CMD_READ_CMD 0x20
53: #define CMD_WRITE_CMD 0x60
54: #define CMD_AUX_DIS 0xa7
55: #define CMD_AUX_EN 0xa8
56: #define CMD_KBD_DIS 0xad
57: #define CMD_KBD_EN 0xae
58: #define CMD_READ_OPORT 0xd0
59: #define CMD_WRITE_OPORT 0xd1
60: #define CMD_WRITE_AUX 0xd4
61:
62: /* Auxillary device command */
63: #define AUX_ENABLE 0xf4
64: #define AUX_DISABLE 0xf5
65: #define AUX_RESET 0xff
66:
67: /*
68: * wait_obf: Wait output buffer full
69: * wait_obe: Wait input buffer empty
70: * wait_ibf: Wait input buffer full
71: * wait_ibe: Wait input buffer empty
72: */
73: #define wait_obf() while ((inb(KMC_STS) & STS_OBF) == 0)
74: #define wait_obe() while (inb(KMC_STS) & STS_OBF)
75: #define wait_ibf() while ((inb(KMC_STS) & STS_IBF) == 0)
76: #define wait_ibe() while (inb(KMC_STS) & STS_IBF)
77:
78: #endif /* !_KMC_H */
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